| Nebula | |
|---|---|
 VLT image of LHA 120-N 55 | |
| Observation data: J2000 epoch | |
| Right ascension | 05h 32m 32.9s[1] |
| Declination | −66° 24′ 20″[1] |
| Distance | 160000 ly (50000[2] pc) |
| Apparent dimensions (V) | 7.0′ × 5.0′[1] |
| Constellation | Dorado |
| Designations | DEM L 228[1] |
LHA 120-N 55 or N55 is an emission nebula located within the Large Magellanic Cloud (LMC). N55 is situated inside a superbubble called LMC 4. It is a glowing clump of gas and dust that gets its light output from the hydrogen atoms shedding electrons within it.[3] It was named in 1956, in a catalogue of H-alpha emission line objects in the LMC.[4]
Multiple dense molecular clumps have been detected, at least fifteen of which contain young stellar objects.[2]
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What is an Emission Nebula?
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References
- ^ a b c d "LHA 120-N 55". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2020-09-09.
- ^ a b Naslim, N.; Tokuda, K.; Onishi, T.; Kemper, F.; Wong, T.; Morata, O.; Takada, S.; Harada, R.; Kawamura, A.; Saigo, K.; Indebetouw, R.; Madden, S. C.; Hony, S.; Meixner, M. (2018). "ALMA Reveals Molecular Cloud N55 in the Large Magellanic Cloud as a Site of Massive Star Formation". The Astrophysical Journal. 853 (2): 175. arXiv:1801.01653. Bibcode:2018ApJ...853..175N. doi:10.3847/1538-4357/aaa5b0. S2CID 119502773.
- ^ Science, Elizabeth Howell 2016-05-18T11:56:23Z; Astronomy (18 May 2016). "Superbubble! Young Stars Highlight Glowing Gas Cloud (Photo, Video)". Space.com. Retrieved 2019-04-25.
- ^ Henize, Karl G. (1956). "Catalogues of Hα-emission Stars and Nebulae in the Magellanic Clouds". The Astrophysical Journal Supplement Series. 2: 315. Bibcode:1956ApJS....2..315H. doi:10.1086/190025.
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This page was last edited on 1 October 2023, at 01:53